diff --git a/types/remotedev-serialize/index.d.ts b/types/remotedev-serialize/index.d.ts
new file mode 100644
index 0000000000..86a5e206f9
--- /dev/null
+++ b/types/remotedev-serialize/index.d.ts
@@ -0,0 +1,44 @@
+// Type definitions for remotedev-serialize 1.0
+// Project: https://github.com/zalmoxisus/remotedev-serialize/
+// Definitions by: Julian Hundeloh <https://github.com/jaulz>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+// TypeScript Version: 2.1
+
+import * as Immutable from 'immutable';
+
+export type Options = Record<string, boolean>;
+
+export type Refs = Record<string, any>;
+
+export type DefaultReplacer = (key: string, value: any) => any;
+
+export type Replacer = (
+  key: string,
+  value: any,
+  replacer: DefaultReplacer
+) => any;
+
+export type DefaultReviver = (key: string, value: any) => any;
+
+export type Reviver = (key: string, value: any, reviver: DefaultReviver) => any;
+
+export function immutable(
+  immutable: typeof Immutable,
+  refs?: Refs,
+  customReplacer?: Replacer,
+  customReviver?: Reviver
+): {
+  stringify: (input: any) => string;
+  parse: (input: string) => any;
+  serialize: (
+    immutable: typeof Immutable,
+    refs?: Refs,
+    customReplacer?: Replacer,
+    customReviver?: Reviver
+  ) => {
+    replacer: Replacer;
+    reviver: Reviver;
+    options: Options;
+  };
+};
diff --git a/types/remotedev-serialize/package.json b/types/remotedev-serialize/package.json
new file mode 100644
index 0000000000..9b1e26b353
--- /dev/null
+++ b/types/remotedev-serialize/package.json
@@ -0,0 +1,6 @@
+{
+    "private": true,
+    "dependencies": {
+        "immutable": "^3.8.1"
+    }
+}
\ No newline at end of file
diff --git a/types/remotedev-serialize/remotedev-serialize-tests.ts b/types/remotedev-serialize/remotedev-serialize-tests.ts
new file mode 100644
index 0000000000..bca43ccd33
--- /dev/null
+++ b/types/remotedev-serialize/remotedev-serialize-tests.ts
@@ -0,0 +1,8 @@
+import * as Immutable from 'immutable';
+import * as Serialize from 'remotedev-serialize';
+
+const { stringify, parse } =  Serialize.immutable(Immutable);
+
+const data = Immutable.fromJS({foo: 'bar', baz: {qux: 42}});
+const serialized = stringify(data);
+const parsed = parse(serialized);
diff --git a/types/remotedev-serialize/tsconfig.json b/types/remotedev-serialize/tsconfig.json
new file mode 100644
index 0000000000..ff53419fed
--- /dev/null
+++ b/types/remotedev-serialize/tsconfig.json
@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "remotedev-serialize-tests.ts"
+    ]
+}
diff --git a/types/remotedev-serialize/tslint.json b/types/remotedev-serialize/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/remotedev-serialize/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }